The battered hedge fund founded by former OpenAI researcher Leopold Aschenbrenner is unwinding many of its trades after big losses on artificial intelligence stocks and a bad bet against  software stocks left it scrambling to raise cash, according to people familiar with the matter.The prime brokers for the fund, Situational Awareness, have been rushing to raise cash to meet margin requirements, the people said. A large investment firm has apparently reached a deal to buy the fund's publicly tra...